const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    title: '<string>',
    materialId: '<string>',
    textToGrade: '<string>',
    userId: '<string>',
    model: '<string>',
    rubric: {criteria: [{title: '<string>', pointsPossible: 123, description: '<string>'}]},
    rubricTemplateId: '<string>',
    assignmentId: '<string>',
    studentIdentifier: '<string>'
  })
};

fetch('https://studyfetchapi.com/api/v1/assignment-grader/create', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "gradedAssignment": {
    "_id": "<string>",
    "title": "<string>",
    "grade": 123,
    "rubric": {},
    "organizationId": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "__v": 123,
    "userId": "<string>",
    "materialId": "<string>",
    "textToGrade": "<string>",
    "rubricTemplateId": "<string>",
    "assignmentId": "<string>",
    "studentIdentifier": "<string>"
  }
}